By eHow Pets Editor
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A pet mouse (Mus musculus domesticus) is a domesticated breed of the common mouse (Mus musculus.) They also are known as "fancy" or "feeder" mice and have been intentionally bred as pets in Europe since the early 17th century. Fancy mice have a much greater variation in color than wild common mice, and their temperament is milder. The following steps will show how to keep a pet mouse.